The volume and height of a cylinder are 7986 cm3 and 21 cm. Find the radius of the cylinder.
According to question, => (22/7) x r2 x 21 = 7986 => r2 = 121 => r = 11 cm
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A train passes 150 m long platform in 10 seconds and a man standing on the platform in 8 seconds. Find the speed of the train?
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 30 seconds and 22 seconds respectively. It took 25...
A train 450 m long running at 72 km/hr takes 45 seconds to cross a bridge The length of the bridge is
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A train 200 metre long takes 20 sec to cross a man running at a speed of 4 km/hr in the direction same to that of train. What is the speed of the train?
Two trains of same length are running in parallel tracks in the same direction with speed 26 km/hr and 80 km/hr respectively. The latter completely cros...
A train 420 metre long takes 21 sec to cross a man running at a speed of 3 km/hr in the direction same to that of train. What is the speed of the train?
